Home / 66,413.61-99,629.06-26,972.01

Finding the Fourth Proportional to 66,413.61, 99,629.06 and 26,972.01

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Solution

The fourth proportional to 66,413.61, 99,629.06 and 26,972.01 is: 40,461.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,413.61 : 99,629.06 = 26,972.01 : x
  2. Step 2: Convert to fraction form
    66,413.61/99,629.06 = 26,972.01/x
  3. Step 3: Cross multiply
    66,413.61x = 99,629.06 × 26,972.01
  4. Step 4: Simplify right side
    66,413.61x = 2,687,196,002.61
  5. Step 5: Solve for x
    x = 2,687,196,002.61/66,413.61
  6. Step 6: Final answer
    x = 40,461.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.